HydroBASINS lev08 watershed · #2080016970
Bassin de Riera de Dosrius
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 2 administrative regions : Barcelona, Girona
Sub-basin area
345,2km²
Upstream area
345,2km²
Discharge
2,9m³/s
Mean elev.
175m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 331.8 km²96.0% of basin
- 0.0 km²0.0% of basin
6 intersecting protected areas
Serres del Litoral Septentrional
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
85.82 km² overlap
Protection Plan
46.97 km² overlap
Protection Plan
26.83 km² overlap
Mines de Can Palomeres
IUCN VProtection Plan
0.46 km² overlap
Riu i Estanys de Tordera
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.00 km² overlap
Riu i estanys de Tordera
IUCN VProtection Plan
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 564 distinct species · 253 299 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Riera de Dosrius : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 98 interactions GloBI sur 5 types (connectance 14.7%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
15,5°C
Annual rain
702mm
Moisture idx (CMI)
-0,21
Runoff
266mm/an
PET
888mm
AET
592mm
Mean slope
8,4°
Water table
422cm
Forest
60%
Crops
4%
Urban
54%
Protected
20%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)